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Accumulated Other Comprehensive Loss (Income) Related to Derivative Transactions (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | $ (6,789) | $ 5,730 | $ (4,195)
Closed Contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI | 226 |  |
Closed Contracts | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI | 151 |  |
Closed Contracts | Interest rate risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Estimated amount of derivatives to be reclassified in income from AOCI | 75 |  |
Expiring in 2018 |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | 5,933 |  |
Expiring in 2018 | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | 5,933 |  |
Expiring in 2019 and beyond |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | 324 |  |
Expiring in 2019 and beyond | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | 324 |  |
Closed or Expiring Over Next Three Years |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | 6,483 |  |
Closed or Expiring Over Next Three Years | Commodity price risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | 6,408 |  |
Closed or Expiring Over Next Three Years | Interest rate risk derivatives |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net change in fair value of derivatives | $ 75 |  |

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- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References No definition available. + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
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